Rare Stamps & Postal History of the World

1919 2c carmine rose, h.r., large margins all around, beautiful color and intact perforations on all sides, faint toned speck, still v.f., pencil signed, with 1958 BPA certificate (issued for the First Experimental Air Mail Flight, Barranquilla to Puerto Colombia to Barranquilla by American aviator William Knox Martin, June 18, 1919. On this occasion, 200 copies of 2centavos stamps were overprinted at Barranquilla Printing Office. This was executed in horizontal strips of ten, which were severed with a guillotine knife, causing horizontal perforations to have a "cut" appearance. Of the total stamps issued, 160 were used on covers on the special flight)
Cat. Val. $3,500
Estimate: $1500